SF

Stephen Filip Fjelstad

RI Raven Industries: 4 patents #19 of 104Top 20%
📍 Worthing, SD: #1 of 3 inventorsTop 35%
🗺 South Dakota: #319 of 2,308 inventorsTop 15%
Overall (All Time): #910,589 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12310273 Guidance systems and methods Matthew K. Rust, Charles Harwood 2025-05-27
10260931 Multi-variable yield monitor and methods for the same John E. Acheson, Douglas Samuel Prairie 2019-04-16
9410840 Multi-variable yield monitor and methods for the same John E. Acheson, Douglas Samuel Prairie 2016-08-09
9372109 Harvester elevator in-flow weight sensor and methods for the same John E. Acheson, Douglas Samuel Prairie 2016-06-21
9310329 Remote moisture sensor and methods for the same John E. Acheson, Douglas Samuel Prairie 2016-04-12